Azim Khan | ec02448 | 2017-05-09 17:20:21 +0100 | [diff] [blame] | 1 | #line 2 "suites/helpers.function" |
SimonB | 0269dad | 2016-02-17 23:34:30 +0000 | [diff] [blame] | 2 | /*----------------------------------------------------------------------------*/ |
| 3 | /* Headers */ |
| 4 | |
Simon Butcher | edb7fd9 | 2016-05-17 13:35:51 +0100 | [diff] [blame] | 5 | #include <stdlib.h> |
| 6 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 7 | #if defined(MBEDTLS_PLATFORM_C) |
Manuel Pégourié-Gonnard | 7f80997 | 2015-03-09 17:05:11 +0000 | [diff] [blame] | 8 | #include "mbedtls/platform.h" |
Manuel Pégourié-Gonnard | 3d49b9d | 2014-06-06 14:48:09 +0200 | [diff] [blame] | 9 | #else |
Rich Evans | 00ab470 | 2015-02-06 13:43:58 +0000 | [diff] [blame] | 10 | #include <stdio.h> |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 11 | #define mbedtls_fprintf fprintf |
Simon Butcher | 2573136 | 2016-09-30 13:11:29 +0100 | [diff] [blame] | 12 | #define mbedtls_snprintf snprintf |
| 13 | #define mbedtls_calloc calloc |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 14 | #define mbedtls_free free |
| 15 | #define mbedtls_exit exit |
Simon Butcher | b2d5dd1 | 2016-04-27 13:35:37 +0100 | [diff] [blame] | 16 | #define mbedtls_time time |
| 17 | #define mbedtls_time_t time_t |
Janos Follath | 55abc21 | 2016-04-18 18:18:48 +0100 | [diff] [blame] | 18 | #define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS |
| 19 | #define MBEDTLS_EXIT_FAILURE EXIT_FAILURE |
Manuel Pégourié-Gonnard | 3d49b9d | 2014-06-06 14:48:09 +0200 | [diff] [blame] | 20 | #endif |
| 21 | |
SimonB | 0269dad | 2016-02-17 23:34:30 +0000 | [diff] [blame] | 22 | #if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C) |
| 23 | #include "mbedtls/memory_buffer_alloc.h" |
| 24 | #endif |
| 25 | |
Simon Butcher | a646345 | 2018-12-06 17:41:56 +0000 | [diff] [blame] | 26 | #if defined(MBEDTLS_CHECK_PARAMS) |
Manuel Pégourié-Gonnard | a2b0e27 | 2018-12-10 15:23:58 +0100 | [diff] [blame] | 27 | #include "mbedtls/platform_util.h" |
Simon Butcher | a646345 | 2018-12-06 17:41:56 +0000 | [diff] [blame] | 28 | #include <setjmp.h> |
Manuel Pégourié-Gonnard | a2b0e27 | 2018-12-10 15:23:58 +0100 | [diff] [blame] | 29 | #endif |
Simon Butcher | 747f5fe | 2018-12-07 16:53:57 +0000 | [diff] [blame] | 30 | |
Paul Bakker | b3dcbc1 | 2011-03-13 16:57:25 +0000 | [diff] [blame] | 31 | #ifdef _MSC_VER |
| 32 | #include <basetsd.h> |
Azim Khan | 0fa3504 | 2018-06-22 11:34:33 +0100 | [diff] [blame] | 33 | typedef UINT8 uint8_t; |
| 34 | typedef INT32 int32_t; |
Paul Bakker | b3dcbc1 | 2011-03-13 16:57:25 +0000 | [diff] [blame] | 35 | typedef UINT32 uint32_t; |
Nicholas Wilson | 733676b | 2015-11-14 13:09:01 +0000 | [diff] [blame] | 36 | #define strncasecmp _strnicmp |
| 37 | #define strcasecmp _stricmp |
Paul Bakker | b3dcbc1 | 2011-03-13 16:57:25 +0000 | [diff] [blame] | 38 | #else |
Manuel Pégourié-Gonnard | 9386664 | 2015-06-22 19:21:23 +0200 | [diff] [blame] | 39 | #include <stdint.h> |
Paul Bakker | b3dcbc1 | 2011-03-13 16:57:25 +0000 | [diff] [blame] | 40 | #endif |
| 41 | |
Paul Bakker | 1934318 | 2013-08-16 13:31:10 +0200 | [diff] [blame] | 42 | #include <string.h> |
| 43 | |
Janos Follath | 8ca53b5 | 2016-10-05 10:57:49 +0100 | [diff] [blame] | 44 | #if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__)) |
| 45 | #include <unistd.h> |
Nicholas Wilson | 2682edf | 2017-12-05 12:08:15 +0000 | [diff] [blame] | 46 | #include <strings.h> |
Janos Follath | 8ca53b5 | 2016-10-05 10:57:49 +0100 | [diff] [blame] | 47 | #endif |
SimonB | 0269dad | 2016-02-17 23:34:30 +0000 | [diff] [blame] | 48 | |
Azim Khan | d30ca13 | 2017-06-09 04:32:58 +0100 | [diff] [blame] | 49 | /* Type for Hex parameters */ |
Azim Khan | 5fcca46 | 2018-06-29 11:05:32 +0100 | [diff] [blame] | 50 | typedef struct data_tag |
Azim Khan | d30ca13 | 2017-06-09 04:32:58 +0100 | [diff] [blame] | 51 | { |
| 52 | uint8_t * x; |
| 53 | uint32_t len; |
Azim Khan | 5fcca46 | 2018-06-29 11:05:32 +0100 | [diff] [blame] | 54 | } data_t; |
Azim Khan | d30ca13 | 2017-06-09 04:32:58 +0100 | [diff] [blame] | 55 | |
SimonB | 0269dad | 2016-02-17 23:34:30 +0000 | [diff] [blame] | 56 | /*----------------------------------------------------------------------------*/ |
Azim Khan | 62a5d7d | 2018-06-29 10:02:54 +0100 | [diff] [blame] | 57 | /* Status and error constants */ |
SimonB | 0269dad | 2016-02-17 23:34:30 +0000 | [diff] [blame] | 58 | |
Azim Khan | 62a5d7d | 2018-06-29 10:02:54 +0100 | [diff] [blame] | 59 | #define DEPENDENCY_SUPPORTED 0 /* Dependency supported by build */ |
| 60 | #define KEY_VALUE_MAPPING_FOUND 0 /* Integer expression found */ |
| 61 | #define DISPATCH_TEST_SUCCESS 0 /* Test dispatch successful */ |
SimonB | 8ca7bc4 | 2016-04-17 23:24:50 +0100 | [diff] [blame] | 62 | |
Azim Khan | 62a5d7d | 2018-06-29 10:02:54 +0100 | [diff] [blame] | 63 | #define KEY_VALUE_MAPPING_NOT_FOUND -1 /* Integer expression not found */ |
| 64 | #define DEPENDENCY_NOT_SUPPORTED -2 /* Dependency not supported */ |
| 65 | #define DISPATCH_TEST_FN_NOT_FOUND -3 /* Test function not found */ |
| 66 | #define DISPATCH_INVALID_TEST_DATA -4 /* Invalid test parameter type. |
| 67 | Only int, string, binary data |
| 68 | and integer expressions are |
| 69 | allowed */ |
| 70 | #define DISPATCH_UNSUPPORTED_SUITE -5 /* Test suite not supported by the |
| 71 | build */ |
SimonB | 0269dad | 2016-02-17 23:34:30 +0000 | [diff] [blame] | 72 | |
Simon Butcher | 6542f6c | 2018-12-09 22:09:59 +0000 | [diff] [blame] | 73 | typedef enum |
| 74 | { |
| 75 | PARAMFAIL_TESTSTATE_IDLE = 0, /* No parameter failure call test */ |
| 76 | PARAMFAIL_TESTSTATE_PENDING, /* Test call to the parameter failure |
| 77 | * is pending */ |
| 78 | PARAMFAIL_TESTSTATE_CALLED /* The test call to the parameter |
| 79 | * failure function has been made */ |
| 80 | } paramfail_test_state_t; |
| 81 | |
SimonB | 0269dad | 2016-02-17 23:34:30 +0000 | [diff] [blame] | 82 | |
| 83 | /*----------------------------------------------------------------------------*/ |
| 84 | /* Macros */ |
| 85 | |
Simon Butcher | a646345 | 2018-12-06 17:41:56 +0000 | [diff] [blame] | 86 | /** |
| 87 | * \brief This macro tests the expression passed to it as a test step or |
| 88 | * individual test in a test case. |
| 89 | * |
| 90 | * It allows a library function to return a value and return an error |
| 91 | * code that can be tested. |
| 92 | * |
| 93 | * When MBEDTLS_CHECK_PARAMS is enabled, calls to the parameter failure |
Manuel Pégourié-Gonnard | a2b0e27 | 2018-12-10 15:23:58 +0100 | [diff] [blame] | 94 | * callback, MBEDTLS_PARAM_FAILED(), will be assumed to be a test |
| 95 | * failure. |
Simon Butcher | a646345 | 2018-12-06 17:41:56 +0000 | [diff] [blame] | 96 | * |
| 97 | * This macro is not suitable for negative parameter validation tests, |
| 98 | * as it assumes the test step will not create an error. |
| 99 | * |
| 100 | * \param TEST The test expression to be tested. |
| 101 | */ |
Simon Butcher | 6542f6c | 2018-12-09 22:09:59 +0000 | [diff] [blame] | 102 | #define TEST_ASSERT( TEST ) \ |
| 103 | do { \ |
| 104 | if( ! (TEST) ) \ |
| 105 | { \ |
| 106 | test_fail( #TEST, __LINE__, __FILE__ ); \ |
| 107 | goto exit; \ |
| 108 | } \ |
SimonB | 0269dad | 2016-02-17 23:34:30 +0000 | [diff] [blame] | 109 | } while( 0 ) |
| 110 | |
Ronald Cron | 8e8898d | 2020-07-30 14:18:02 +0200 | [diff] [blame^] | 111 | /** Compare two buffers and fail the test case if they differ. |
| 112 | * |
| 113 | * This macro expands to an instruction, not an expression. |
| 114 | * It may jump to the \c exit label. |
| 115 | * |
| 116 | * \param p1 Pointer to the start of the first buffer. |
| 117 | * \param size1 Size of the first buffer in bytes. |
| 118 | * This expression may be evaluated multiple times. |
| 119 | * \param p2 Pointer to the start of the second buffer. |
| 120 | * \param size2 Size of the second buffer in bytes. |
| 121 | * This expression may be evaluated multiple times. |
| 122 | */ |
| 123 | #define ASSERT_COMPARE( p1, size1, p2, size2 ) \ |
| 124 | do \ |
| 125 | { \ |
| 126 | TEST_ASSERT( ( size1 ) == ( size2 ) ); \ |
| 127 | if( ( size1 ) != 0 ) \ |
| 128 | TEST_ASSERT( memcmp( ( p1 ), ( p2 ), ( size1 ) ) == 0 ); \ |
| 129 | } \ |
| 130 | while( 0 ) |
| 131 | |
Hanno Becker | d3369f6 | 2019-07-05 13:31:30 +0100 | [diff] [blame] | 132 | /** |
| 133 | * \brief This macro tests the expression passed to it and skips the |
| 134 | * running test if it doesn't evaluate to 'true'. |
| 135 | * |
| 136 | * \param TEST The test expression to be tested. |
| 137 | */ |
| 138 | #define TEST_ASSUME( TEST ) \ |
| 139 | do { \ |
| 140 | if( ! (TEST) ) \ |
| 141 | { \ |
| 142 | test_skip( #TEST, __LINE__, __FILE__ ); \ |
| 143 | goto exit; \ |
| 144 | } \ |
| 145 | } while( 0 ) |
| 146 | |
Manuel Pégourié-Gonnard | a2b0e27 | 2018-12-10 15:23:58 +0100 | [diff] [blame] | 147 | #if defined(MBEDTLS_CHECK_PARAMS) && !defined(MBEDTLS_PARAM_FAILED_ALT) |
Simon Butcher | a646345 | 2018-12-06 17:41:56 +0000 | [diff] [blame] | 148 | /** |
| 149 | * \brief This macro tests the statement passed to it as a test step or |
| 150 | * individual test in a test case. The macro assumes the test will fail |
| 151 | * and will generate an error. |
| 152 | * |
| 153 | * It allows a library function to return a value and tests the return |
| 154 | * code on return to confirm the given error code was returned. |
| 155 | * |
| 156 | * When MBEDTLS_CHECK_PARAMS is enabled, calls to the parameter failure |
Manuel Pégourié-Gonnard | a2b0e27 | 2018-12-10 15:23:58 +0100 | [diff] [blame] | 157 | * callback, MBEDTLS_PARAM_FAILED(), are assumed to indicate the |
Simon Butcher | a646345 | 2018-12-06 17:41:56 +0000 | [diff] [blame] | 158 | * expected failure, and the test will pass. |
| 159 | * |
| 160 | * This macro is intended for negative parameter validation tests, |
| 161 | * where the failing function may return an error value or call |
Manuel Pégourié-Gonnard | a2b0e27 | 2018-12-10 15:23:58 +0100 | [diff] [blame] | 162 | * MBEDTLS_PARAM_FAILED() to indicate the error. |
Simon Butcher | a646345 | 2018-12-06 17:41:56 +0000 | [diff] [blame] | 163 | * |
| 164 | * \param PARAM_ERROR_VALUE The expected error code. |
| 165 | * |
| 166 | * \param TEST The test expression to be tested. |
| 167 | */ |
Simon Butcher | 6542f6c | 2018-12-09 22:09:59 +0000 | [diff] [blame] | 168 | #define TEST_INVALID_PARAM_RET( PARAM_ERR_VALUE, TEST ) \ |
| 169 | do { \ |
| 170 | test_info.paramfail_test_state = PARAMFAIL_TESTSTATE_PENDING; \ |
Manuel Pégourié-Gonnard | acfdc62 | 2018-12-11 10:36:21 +0100 | [diff] [blame] | 171 | if( (TEST) != (PARAM_ERR_VALUE) || \ |
Simon Butcher | 6542f6c | 2018-12-09 22:09:59 +0000 | [diff] [blame] | 172 | test_info.paramfail_test_state != PARAMFAIL_TESTSTATE_CALLED ) \ |
| 173 | { \ |
| 174 | test_fail( #TEST, __LINE__, __FILE__ ); \ |
| 175 | goto exit; \ |
| 176 | } \ |
| 177 | } while( 0 ) |
Simon Butcher | a646345 | 2018-12-06 17:41:56 +0000 | [diff] [blame] | 178 | |
| 179 | /** |
| 180 | * \brief This macro tests the statement passed to it as a test step or |
| 181 | * individual test in a test case. The macro assumes the test will fail |
| 182 | * and will generate an error. |
| 183 | * |
| 184 | * It assumes the library function under test cannot return a value and |
| 185 | * assumes errors can only be indicated byt calls to |
Manuel Pégourié-Gonnard | a2b0e27 | 2018-12-10 15:23:58 +0100 | [diff] [blame] | 186 | * MBEDTLS_PARAM_FAILED(). |
Simon Butcher | a646345 | 2018-12-06 17:41:56 +0000 | [diff] [blame] | 187 | * |
| 188 | * When MBEDTLS_CHECK_PARAMS is enabled, calls to the parameter failure |
Manuel Pégourié-Gonnard | a2b0e27 | 2018-12-10 15:23:58 +0100 | [diff] [blame] | 189 | * callback, MBEDTLS_PARAM_FAILED(), are assumed to indicate the |
Simon Butcher | a646345 | 2018-12-06 17:41:56 +0000 | [diff] [blame] | 190 | * expected failure. If MBEDTLS_CHECK_PARAMS is not enabled, no test |
| 191 | * can be made. |
| 192 | * |
| 193 | * This macro is intended for negative parameter validation tests, |
| 194 | * where the failing function can only return an error by calling |
Manuel Pégourié-Gonnard | a2b0e27 | 2018-12-10 15:23:58 +0100 | [diff] [blame] | 195 | * MBEDTLS_PARAM_FAILED() to indicate the error. |
Simon Butcher | a646345 | 2018-12-06 17:41:56 +0000 | [diff] [blame] | 196 | * |
| 197 | * \param TEST The test expression to be tested. |
| 198 | */ |
Simon Butcher | 6542f6c | 2018-12-09 22:09:59 +0000 | [diff] [blame] | 199 | #define TEST_INVALID_PARAM( TEST ) \ |
| 200 | do { \ |
| 201 | memcpy(jmp_tmp, param_fail_jmp, sizeof(jmp_buf)); \ |
Manuel Pégourié-Gonnard | aae10fa | 2018-12-12 10:24:19 +0100 | [diff] [blame] | 202 | if( setjmp( param_fail_jmp ) == 0 ) \ |
Simon Butcher | 6542f6c | 2018-12-09 22:09:59 +0000 | [diff] [blame] | 203 | { \ |
| 204 | TEST; \ |
| 205 | test_fail( #TEST, __LINE__, __FILE__ ); \ |
| 206 | goto exit; \ |
| 207 | } \ |
| 208 | memcpy(param_fail_jmp, jmp_tmp, sizeof(jmp_buf)); \ |
Simon Butcher | a646345 | 2018-12-06 17:41:56 +0000 | [diff] [blame] | 209 | } while( 0 ) |
Manuel Pégourié-Gonnard | 54e7f31 | 2018-12-12 11:56:09 +0100 | [diff] [blame] | 210 | #endif /* MBEDTLS_CHECK_PARAMS && !MBEDTLS_PARAM_FAILED_ALT */ |
Simon Butcher | a646345 | 2018-12-06 17:41:56 +0000 | [diff] [blame] | 211 | |
Manuel Pégourié-Gonnard | 44c5d58 | 2018-12-10 16:56:14 +0100 | [diff] [blame] | 212 | /** |
| 213 | * \brief This macro tests the statement passed to it as a test step or |
| 214 | * individual test in a test case. The macro assumes the test will not fail. |
| 215 | * |
| 216 | * It assumes the library function under test cannot return a value and |
| 217 | * assumes errors can only be indicated by calls to |
| 218 | * MBEDTLS_PARAM_FAILED(). |
| 219 | * |
| 220 | * When MBEDTLS_CHECK_PARAMS is enabled, calls to the parameter failure |
| 221 | * callback, MBEDTLS_PARAM_FAILED(), are assumed to indicate the |
| 222 | * expected failure. If MBEDTLS_CHECK_PARAMS is not enabled, no test |
| 223 | * can be made. |
| 224 | * |
Manuel Pégourié-Gonnard | cd2b29c | 2018-12-12 10:23:57 +0100 | [diff] [blame] | 225 | * This macro is intended to test that functions returning void |
Manuel Pégourié-Gonnard | 44c5d58 | 2018-12-10 16:56:14 +0100 | [diff] [blame] | 226 | * accept all of the parameter values they're supposed to accept - eg |
| 227 | * that they don't call MBEDTLS_PARAM_FAILED() when a parameter |
Manuel Pégourié-Gonnard | cd2b29c | 2018-12-12 10:23:57 +0100 | [diff] [blame] | 228 | * that's allowed to be NULL happens to be NULL. |
Manuel Pégourié-Gonnard | 44c5d58 | 2018-12-10 16:56:14 +0100 | [diff] [blame] | 229 | * |
| 230 | * Note: for functions that return something other that void, |
| 231 | * checking that they accept all the parameters they're supposed to |
| 232 | * accept is best done by using TEST_ASSERT() and checking the return |
| 233 | * value as well. |
| 234 | * |
Manuel Pégourié-Gonnard | 54e7f31 | 2018-12-12 11:56:09 +0100 | [diff] [blame] | 235 | * Note: this macro is available even when #MBEDTLS_CHECK_PARAMS is |
| 236 | * disabled, as it makes sense to check that the functions accept all |
| 237 | * legal values even if this option is disabled - only in that case, |
Manuel Pégourié-Gonnard | e7306d3 | 2018-12-13 09:45:49 +0100 | [diff] [blame] | 238 | * the test is more about whether the function segfaults than about |
Manuel Pégourié-Gonnard | 54e7f31 | 2018-12-12 11:56:09 +0100 | [diff] [blame] | 239 | * whether it invokes MBEDTLS_PARAM_FAILED(). |
| 240 | * |
Manuel Pégourié-Gonnard | 44c5d58 | 2018-12-10 16:56:14 +0100 | [diff] [blame] | 241 | * \param TEST The test expression to be tested. |
| 242 | */ |
| 243 | #define TEST_VALID_PARAM( TEST ) \ |
| 244 | TEST_ASSERT( ( TEST, 1 ) ); |
Simon Butcher | a646345 | 2018-12-06 17:41:56 +0000 | [diff] [blame] | 245 | |
Gilles Peskine | 137d31b | 2019-06-07 14:52:07 +0200 | [diff] [blame] | 246 | #define TEST_HELPER_ASSERT(a) if( !( a ) ) \ |
Rich Evans | 4c09114 | 2015-02-02 12:04:10 +0000 | [diff] [blame] | 247 | { \ |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 248 | mbedtls_fprintf( stderr, "Assertion Failed at %s:%d - %s\n", \ |
Rich Evans | 4c09114 | 2015-02-02 12:04:10 +0000 | [diff] [blame] | 249 | __FILE__, __LINE__, #a ); \ |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 250 | mbedtls_exit( 1 ); \ |
Rich Evans | 4c09114 | 2015-02-02 12:04:10 +0000 | [diff] [blame] | 251 | } |
| 252 | |
Ronald Cron | 07c83f2 | 2020-04-06 09:50:58 +0200 | [diff] [blame] | 253 | #if defined(__GNUC__) |
| 254 | /* Test if arg and &(arg)[0] have the same type. This is true if arg is |
| 255 | * an array but not if it's a pointer. */ |
| 256 | #define IS_ARRAY_NOT_POINTER( arg ) \ |
| 257 | ( ! __builtin_types_compatible_p( __typeof__( arg ), \ |
| 258 | __typeof__( &( arg )[0] ) ) ) |
| 259 | #else |
| 260 | /* On platforms where we don't know how to implement this check, |
| 261 | * omit it. Oh well, a non-portable check is better than nothing. */ |
| 262 | #define IS_ARRAY_NOT_POINTER( arg ) 1 |
| 263 | #endif |
| 264 | |
| 265 | /* A compile-time constant with the value 0. If `const_expr` is not a |
| 266 | * compile-time constant with a nonzero value, cause a compile-time error. */ |
| 267 | #define STATIC_ASSERT_EXPR( const_expr ) \ |
| 268 | ( 0 && sizeof( struct { int STATIC_ASSERT : 1 - 2 * ! ( const_expr ); } ) ) |
| 269 | /* Return the scalar value `value` (possibly promoted). This is a compile-time |
| 270 | * constant if `value` is. `condition` must be a compile-time constant. |
| 271 | * If `condition` is false, arrange to cause a compile-time error. */ |
| 272 | #define STATIC_ASSERT_THEN_RETURN( condition, value ) \ |
| 273 | ( STATIC_ASSERT_EXPR( condition ) ? 0 : ( value ) ) |
| 274 | |
| 275 | #define ARRAY_LENGTH_UNSAFE( array ) \ |
| 276 | ( sizeof( array ) / sizeof( *( array ) ) ) |
| 277 | /** Return the number of elements of a static or stack array. |
| 278 | * |
| 279 | * \param array A value of array (not pointer) type. |
| 280 | * |
| 281 | * \return The number of elements of the array. |
| 282 | */ |
| 283 | #define ARRAY_LENGTH( array ) \ |
| 284 | ( STATIC_ASSERT_THEN_RETURN( IS_ARRAY_NOT_POINTER( array ), \ |
| 285 | ARRAY_LENGTH_UNSAFE( array ) ) ) |
| 286 | |
Paul Bakker | b3dcbc1 | 2011-03-13 16:57:25 +0000 | [diff] [blame] | 287 | /* |
| 288 | * 32-bit integer manipulation macros (big endian) |
| 289 | */ |
Paul Bakker | 5c2364c | 2012-10-01 14:41:15 +0000 | [diff] [blame] | 290 | #ifndef GET_UINT32_BE |
| 291 | #define GET_UINT32_BE(n,b,i) \ |
Paul Bakker | b3dcbc1 | 2011-03-13 16:57:25 +0000 | [diff] [blame] | 292 | { \ |
Paul Bakker | 5c2364c | 2012-10-01 14:41:15 +0000 | [diff] [blame] | 293 | (n) = ( (uint32_t) (b)[(i) ] << 24 ) \ |
| 294 | | ( (uint32_t) (b)[(i) + 1] << 16 ) \ |
| 295 | | ( (uint32_t) (b)[(i) + 2] << 8 ) \ |
| 296 | | ( (uint32_t) (b)[(i) + 3] ); \ |
Paul Bakker | b3dcbc1 | 2011-03-13 16:57:25 +0000 | [diff] [blame] | 297 | } |
| 298 | #endif |
| 299 | |
Paul Bakker | 5c2364c | 2012-10-01 14:41:15 +0000 | [diff] [blame] | 300 | #ifndef PUT_UINT32_BE |
| 301 | #define PUT_UINT32_BE(n,b,i) \ |
Paul Bakker | b3dcbc1 | 2011-03-13 16:57:25 +0000 | [diff] [blame] | 302 | { \ |
| 303 | (b)[(i) ] = (unsigned char) ( (n) >> 24 ); \ |
| 304 | (b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \ |
| 305 | (b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \ |
| 306 | (b)[(i) + 3] = (unsigned char) ( (n) ); \ |
| 307 | } |
| 308 | #endif |
| 309 | |
SimonB | 0269dad | 2016-02-17 23:34:30 +0000 | [diff] [blame] | 310 | |
| 311 | /*----------------------------------------------------------------------------*/ |
SimonB | 8ca7bc4 | 2016-04-17 23:24:50 +0100 | [diff] [blame] | 312 | /* Global variables */ |
| 313 | |
Hanno Becker | d3369f6 | 2019-07-05 13:31:30 +0100 | [diff] [blame] | 314 | typedef enum |
| 315 | { |
| 316 | TEST_RESULT_SUCCESS = 0, |
| 317 | TEST_RESULT_FAILED, |
| 318 | TEST_RESULT_SKIPPED |
| 319 | } test_result_t; |
| 320 | |
Andres Amaya Garcia | 3f50f51 | 2017-10-01 16:42:29 +0100 | [diff] [blame] | 321 | static struct |
| 322 | { |
Simon Butcher | 6542f6c | 2018-12-09 22:09:59 +0000 | [diff] [blame] | 323 | paramfail_test_state_t paramfail_test_state; |
Hanno Becker | d3369f6 | 2019-07-05 13:31:30 +0100 | [diff] [blame] | 324 | test_result_t result; |
Andres Amaya Garcia | 3f50f51 | 2017-10-01 16:42:29 +0100 | [diff] [blame] | 325 | const char *test; |
| 326 | const char *filename; |
| 327 | int line_no; |
| 328 | } |
| 329 | test_info; |
SimonB | 8ca7bc4 | 2016-04-17 23:24:50 +0100 | [diff] [blame] | 330 | |
Andrzej Kurek | 32a675f | 2018-04-13 06:16:04 -0400 | [diff] [blame] | 331 | #if defined(MBEDTLS_PLATFORM_C) |
Andrzej Kurek | 1152fa8 | 2018-04-13 05:15:17 -0400 | [diff] [blame] | 332 | mbedtls_platform_context platform_ctx; |
Andrzej Kurek | 32a675f | 2018-04-13 06:16:04 -0400 | [diff] [blame] | 333 | #endif |
SimonB | 8ca7bc4 | 2016-04-17 23:24:50 +0100 | [diff] [blame] | 334 | |
Simon Butcher | a646345 | 2018-12-06 17:41:56 +0000 | [diff] [blame] | 335 | #if defined(MBEDTLS_CHECK_PARAMS) |
| 336 | jmp_buf param_fail_jmp; |
Simon Butcher | 6542f6c | 2018-12-09 22:09:59 +0000 | [diff] [blame] | 337 | jmp_buf jmp_tmp; |
Simon Butcher | a646345 | 2018-12-06 17:41:56 +0000 | [diff] [blame] | 338 | #endif |
| 339 | |
SimonB | 8ca7bc4 | 2016-04-17 23:24:50 +0100 | [diff] [blame] | 340 | /*----------------------------------------------------------------------------*/ |
Hanno Becker | 47deec4 | 2017-07-24 12:27:09 +0100 | [diff] [blame] | 341 | /* Helper flags for complex dependencies */ |
| 342 | |
| 343 | /* Indicates whether we expect mbedtls_entropy_init |
| 344 | * to initialize some strong entropy source. */ |
| 345 | #if defined(MBEDTLS_TEST_NULL_ENTROPY) || \ |
| 346 | ( !defined(MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES) && \ |
| 347 | ( !defined(MBEDTLS_NO_PLATFORM_ENTROPY) || \ |
| 348 | defined(MBEDTLS_HAVEGE_C) || \ |
| 349 | defined(MBEDTLS_ENTROPY_HARDWARE_ALT) || \ |
| 350 | defined(ENTROPY_NV_SEED) ) ) |
Hanno Becker | d4a872e | 2017-09-07 08:09:33 +0100 | [diff] [blame] | 351 | #define ENTROPY_HAVE_STRONG |
Hanno Becker | 47deec4 | 2017-07-24 12:27:09 +0100 | [diff] [blame] | 352 | #endif |
| 353 | |
| 354 | |
| 355 | /*----------------------------------------------------------------------------*/ |
SimonB | 0269dad | 2016-02-17 23:34:30 +0000 | [diff] [blame] | 356 | /* Helper Functions */ |
Simon Butcher | 6542f6c | 2018-12-09 22:09:59 +0000 | [diff] [blame] | 357 | |
Simon Butcher | ecff219 | 2018-10-03 16:17:41 +0100 | [diff] [blame] | 358 | void test_fail( const char *test, int line_no, const char* filename ) |
Simon Butcher | 6542f6c | 2018-12-09 22:09:59 +0000 | [diff] [blame] | 359 | { |
Hanno Becker | d3369f6 | 2019-07-05 13:31:30 +0100 | [diff] [blame] | 360 | test_info.result = TEST_RESULT_FAILED; |
| 361 | test_info.test = test; |
| 362 | test_info.line_no = line_no; |
| 363 | test_info.filename = filename; |
| 364 | } |
| 365 | |
| 366 | void test_skip( const char *test, int line_no, const char* filename ) |
| 367 | { |
| 368 | test_info.result = TEST_RESULT_SKIPPED; |
Simon Butcher | 6542f6c | 2018-12-09 22:09:59 +0000 | [diff] [blame] | 369 | test_info.test = test; |
| 370 | test_info.line_no = line_no; |
| 371 | test_info.filename = filename; |
| 372 | } |
| 373 | |
Andrzej Kurek | 32a675f | 2018-04-13 06:16:04 -0400 | [diff] [blame] | 374 | static int platform_setup() |
| 375 | { |
Andrzej Kurek | f13ca95 | 2018-04-18 04:14:31 -0400 | [diff] [blame] | 376 | int ret = 0; |
Andrzej Kurek | 32a675f | 2018-04-13 06:16:04 -0400 | [diff] [blame] | 377 | #if defined(MBEDTLS_PLATFORM_C) |
Andrzej Kurek | f13ca95 | 2018-04-18 04:14:31 -0400 | [diff] [blame] | 378 | ret = mbedtls_platform_setup( &platform_ctx ); |
Andrzej Kurek | 32a675f | 2018-04-13 06:16:04 -0400 | [diff] [blame] | 379 | #endif /* MBEDTLS_PLATFORM_C */ |
Andrzej Kurek | f13ca95 | 2018-04-18 04:14:31 -0400 | [diff] [blame] | 380 | return( ret ); |
Andrzej Kurek | 32a675f | 2018-04-13 06:16:04 -0400 | [diff] [blame] | 381 | } |
| 382 | |
| 383 | static void platform_teardown() |
| 384 | { |
| 385 | #if defined(MBEDTLS_PLATFORM_C) |
| 386 | mbedtls_platform_teardown( &platform_ctx ); |
| 387 | #endif /* MBEDTLS_PLATFORM_C */ |
| 388 | } |
SimonB | 0269dad | 2016-02-17 23:34:30 +0000 | [diff] [blame] | 389 | |
Simon Butcher | a646345 | 2018-12-06 17:41:56 +0000 | [diff] [blame] | 390 | #if defined(MBEDTLS_CHECK_PARAMS) |
Manuel Pégourié-Gonnard | 3ef6a6d | 2018-12-10 14:31:45 +0100 | [diff] [blame] | 391 | void mbedtls_param_failed( const char *failure_condition, |
| 392 | const char *file, |
| 393 | int line ) |
Simon Butcher | a646345 | 2018-12-06 17:41:56 +0000 | [diff] [blame] | 394 | { |
Simon Butcher | 6542f6c | 2018-12-09 22:09:59 +0000 | [diff] [blame] | 395 | /* If we are testing the callback function... */ |
Manuel Pégourié-Gonnard | aae10fa | 2018-12-12 10:24:19 +0100 | [diff] [blame] | 396 | if( test_info.paramfail_test_state == PARAMFAIL_TESTSTATE_PENDING ) |
Simon Butcher | 6542f6c | 2018-12-09 22:09:59 +0000 | [diff] [blame] | 397 | { |
| 398 | test_info.paramfail_test_state = PARAMFAIL_TESTSTATE_CALLED; |
| 399 | } |
| 400 | else |
| 401 | { |
| 402 | /* ...else we treat this as an error */ |
Simon Butcher | a646345 | 2018-12-06 17:41:56 +0000 | [diff] [blame] | 403 | |
Simon Butcher | 6542f6c | 2018-12-09 22:09:59 +0000 | [diff] [blame] | 404 | /* Record the location of the failure, but not as a failure yet, in case |
| 405 | * it was part of the test */ |
| 406 | test_fail( failure_condition, line, file ); |
Hanno Becker | d3369f6 | 2019-07-05 13:31:30 +0100 | [diff] [blame] | 407 | test_info.result = TEST_RESULT_SUCCESS; |
Simon Butcher | 6542f6c | 2018-12-09 22:09:59 +0000 | [diff] [blame] | 408 | |
| 409 | longjmp( param_fail_jmp, 1 ); |
| 410 | } |
Simon Butcher | a646345 | 2018-12-06 17:41:56 +0000 | [diff] [blame] | 411 | } |
| 412 | #endif |
| 413 | |
Janos Follath | 8ca53b5 | 2016-10-05 10:57:49 +0100 | [diff] [blame] | 414 | #if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__)) |
| 415 | static int redirect_output( FILE** out_stream, const char* path ) |
| 416 | { |
| 417 | int stdout_fd = dup( fileno( *out_stream ) ); |
| 418 | |
| 419 | if( stdout_fd == -1 ) |
| 420 | { |
| 421 | return -1; |
| 422 | } |
| 423 | |
| 424 | fflush( *out_stream ); |
| 425 | fclose( *out_stream ); |
| 426 | *out_stream = fopen( path, "w" ); |
| 427 | |
| 428 | if( *out_stream == NULL ) |
| 429 | { |
Andres Amaya Garcia | 687d673 | 2018-11-26 21:23:28 +0000 | [diff] [blame] | 430 | close( stdout_fd ); |
Janos Follath | 8ca53b5 | 2016-10-05 10:57:49 +0100 | [diff] [blame] | 431 | return -1; |
| 432 | } |
| 433 | |
| 434 | return stdout_fd; |
| 435 | } |
| 436 | |
| 437 | static int restore_output( FILE** out_stream, int old_fd ) |
| 438 | { |
| 439 | fflush( *out_stream ); |
| 440 | fclose( *out_stream ); |
| 441 | |
| 442 | *out_stream = fdopen( old_fd, "w" ); |
| 443 | if( *out_stream == NULL ) |
| 444 | { |
| 445 | return -1; |
| 446 | } |
| 447 | |
| 448 | return 0; |
| 449 | } |
Simon Butcher | e019296 | 2016-10-12 23:07:30 +0100 | [diff] [blame] | 450 | |
Janos Follath | e709f7c | 2016-10-13 11:26:29 +0100 | [diff] [blame] | 451 | static void close_output( FILE* out_stream ) |
Simon Butcher | e019296 | 2016-10-12 23:07:30 +0100 | [diff] [blame] | 452 | { |
Janos Follath | e709f7c | 2016-10-13 11:26:29 +0100 | [diff] [blame] | 453 | fclose( out_stream ); |
Simon Butcher | e019296 | 2016-10-12 23:07:30 +0100 | [diff] [blame] | 454 | } |
Janos Follath | 8ca53b5 | 2016-10-05 10:57:49 +0100 | [diff] [blame] | 455 | #endif /* __unix__ || __APPLE__ __MACH__ */ |
| 456 | |
Ronald Cron | a0c9ff3 | 2020-06-08 17:05:57 +0200 | [diff] [blame] | 457 | int mbedtls_test_unhexify( unsigned char *obuf, const char *ibuf ) |
Paul Bakker | 367dae4 | 2009-06-28 21:50:27 +0000 | [diff] [blame] | 458 | { |
| 459 | unsigned char c, c2; |
Rich Evans | 4c09114 | 2015-02-02 12:04:10 +0000 | [diff] [blame] | 460 | int len = strlen( ibuf ) / 2; |
Gilles Peskine | 137d31b | 2019-06-07 14:52:07 +0200 | [diff] [blame] | 461 | TEST_HELPER_ASSERT( strlen( ibuf ) % 2 == 0 ); /* must be even number of bytes */ |
Paul Bakker | 367dae4 | 2009-06-28 21:50:27 +0000 | [diff] [blame] | 462 | |
Rich Evans | 4c09114 | 2015-02-02 12:04:10 +0000 | [diff] [blame] | 463 | while( *ibuf != 0 ) |
Paul Bakker | 367dae4 | 2009-06-28 21:50:27 +0000 | [diff] [blame] | 464 | { |
| 465 | c = *ibuf++; |
| 466 | if( c >= '0' && c <= '9' ) |
| 467 | c -= '0'; |
| 468 | else if( c >= 'a' && c <= 'f' ) |
| 469 | c -= 'a' - 10; |
| 470 | else if( c >= 'A' && c <= 'F' ) |
| 471 | c -= 'A' - 10; |
| 472 | else |
Gilles Peskine | 137d31b | 2019-06-07 14:52:07 +0200 | [diff] [blame] | 473 | TEST_HELPER_ASSERT( 0 ); |
Paul Bakker | 367dae4 | 2009-06-28 21:50:27 +0000 | [diff] [blame] | 474 | |
| 475 | c2 = *ibuf++; |
| 476 | if( c2 >= '0' && c2 <= '9' ) |
| 477 | c2 -= '0'; |
| 478 | else if( c2 >= 'a' && c2 <= 'f' ) |
| 479 | c2 -= 'a' - 10; |
| 480 | else if( c2 >= 'A' && c2 <= 'F' ) |
| 481 | c2 -= 'A' - 10; |
| 482 | else |
Gilles Peskine | 137d31b | 2019-06-07 14:52:07 +0200 | [diff] [blame] | 483 | TEST_HELPER_ASSERT( 0 ); |
Paul Bakker | 367dae4 | 2009-06-28 21:50:27 +0000 | [diff] [blame] | 484 | |
| 485 | *obuf++ = ( c << 4 ) | c2; |
| 486 | } |
| 487 | |
| 488 | return len; |
| 489 | } |
| 490 | |
Ronald Cron | a0c9ff3 | 2020-06-08 17:05:57 +0200 | [diff] [blame] | 491 | void mbedtls_test_hexify( unsigned char *obuf, const unsigned char *ibuf, int len ) |
Paul Bakker | 367dae4 | 2009-06-28 21:50:27 +0000 | [diff] [blame] | 492 | { |
| 493 | unsigned char l, h; |
| 494 | |
Rich Evans | 4291445 | 2015-02-02 12:09:25 +0000 | [diff] [blame] | 495 | while( len != 0 ) |
Paul Bakker | 367dae4 | 2009-06-28 21:50:27 +0000 | [diff] [blame] | 496 | { |
Rich Evans | 4291445 | 2015-02-02 12:09:25 +0000 | [diff] [blame] | 497 | h = *ibuf / 16; |
| 498 | l = *ibuf % 16; |
Paul Bakker | 367dae4 | 2009-06-28 21:50:27 +0000 | [diff] [blame] | 499 | |
| 500 | if( h < 10 ) |
| 501 | *obuf++ = '0' + h; |
| 502 | else |
| 503 | *obuf++ = 'a' + h - 10; |
| 504 | |
| 505 | if( l < 10 ) |
| 506 | *obuf++ = '0' + l; |
| 507 | else |
| 508 | *obuf++ = 'a' + l - 10; |
| 509 | |
| 510 | ++ibuf; |
| 511 | len--; |
| 512 | } |
| 513 | } |
Paul Bakker | 9dcc322 | 2011-03-08 14:16:06 +0000 | [diff] [blame] | 514 | |
| 515 | /** |
Manuel Pégourié-Gonnard | 0dc5e0d | 2014-06-13 21:09:26 +0200 | [diff] [blame] | 516 | * Allocate and zeroize a buffer. |
| 517 | * |
| 518 | * If the size if zero, a pointer to a zeroized 1-byte buffer is returned. |
| 519 | * |
| 520 | * For convenience, dies if allocation fails. |
| 521 | */ |
| 522 | static unsigned char *zero_alloc( size_t len ) |
| 523 | { |
| 524 | void *p; |
Rich Evans | 4291445 | 2015-02-02 12:09:25 +0000 | [diff] [blame] | 525 | size_t actual_len = ( len != 0 ) ? len : 1; |
Manuel Pégourié-Gonnard | 0dc5e0d | 2014-06-13 21:09:26 +0200 | [diff] [blame] | 526 | |
Manuel Pégourié-Gonnard | 7551cb9 | 2015-05-26 16:04:06 +0200 | [diff] [blame] | 527 | p = mbedtls_calloc( 1, actual_len ); |
Gilles Peskine | 137d31b | 2019-06-07 14:52:07 +0200 | [diff] [blame] | 528 | TEST_HELPER_ASSERT( p != NULL ); |
Manuel Pégourié-Gonnard | 0dc5e0d | 2014-06-13 21:09:26 +0200 | [diff] [blame] | 529 | |
| 530 | memset( p, 0x00, actual_len ); |
| 531 | |
| 532 | return( p ); |
| 533 | } |
| 534 | |
| 535 | /** |
Manuel Pégourié-Gonnard | 3d49b9d | 2014-06-06 14:48:09 +0200 | [diff] [blame] | 536 | * Allocate and fill a buffer from hex data. |
| 537 | * |
| 538 | * The buffer is sized exactly as needed. This allows to detect buffer |
| 539 | * overruns (including overreads) when running the test suite under valgrind. |
| 540 | * |
Manuel Pégourié-Gonnard | 0dc5e0d | 2014-06-13 21:09:26 +0200 | [diff] [blame] | 541 | * If the size if zero, a pointer to a zeroized 1-byte buffer is returned. |
| 542 | * |
Manuel Pégourié-Gonnard | 3d49b9d | 2014-06-06 14:48:09 +0200 | [diff] [blame] | 543 | * For convenience, dies if allocation fails. |
| 544 | */ |
Simon Butcher | ecff219 | 2018-10-03 16:17:41 +0100 | [diff] [blame] | 545 | unsigned char *unhexify_alloc( const char *ibuf, size_t *olen ) |
Manuel Pégourié-Gonnard | 3d49b9d | 2014-06-06 14:48:09 +0200 | [diff] [blame] | 546 | { |
| 547 | unsigned char *obuf; |
| 548 | |
Rich Evans | 4291445 | 2015-02-02 12:09:25 +0000 | [diff] [blame] | 549 | *olen = strlen( ibuf ) / 2; |
Manuel Pégourié-Gonnard | 3d49b9d | 2014-06-06 14:48:09 +0200 | [diff] [blame] | 550 | |
Manuel Pégourié-Gonnard | 0dc5e0d | 2014-06-13 21:09:26 +0200 | [diff] [blame] | 551 | if( *olen == 0 ) |
| 552 | return( zero_alloc( *olen ) ); |
| 553 | |
Manuel Pégourié-Gonnard | 7551cb9 | 2015-05-26 16:04:06 +0200 | [diff] [blame] | 554 | obuf = mbedtls_calloc( 1, *olen ); |
Gilles Peskine | 137d31b | 2019-06-07 14:52:07 +0200 | [diff] [blame] | 555 | TEST_HELPER_ASSERT( obuf != NULL ); |
Manuel Pégourié-Gonnard | 3d49b9d | 2014-06-06 14:48:09 +0200 | [diff] [blame] | 556 | |
Ronald Cron | a0c9ff3 | 2020-06-08 17:05:57 +0200 | [diff] [blame] | 557 | (void) mbedtls_test_unhexify( obuf, ibuf ); |
Manuel Pégourié-Gonnard | 3d49b9d | 2014-06-06 14:48:09 +0200 | [diff] [blame] | 558 | |
| 559 | return( obuf ); |
| 560 | } |
| 561 | |
| 562 | /** |
Paul Bakker | 9dcc322 | 2011-03-08 14:16:06 +0000 | [diff] [blame] | 563 | * This function just returns data from rand(). |
Paul Bakker | 997bbd1 | 2011-03-13 15:45:42 +0000 | [diff] [blame] | 564 | * Although predictable and often similar on multiple |
| 565 | * runs, this does not result in identical random on |
| 566 | * each run. So do not use this if the results of a |
| 567 | * test depend on the random data that is generated. |
Paul Bakker | 9dcc322 | 2011-03-08 14:16:06 +0000 | [diff] [blame] | 568 | * |
| 569 | * rng_state shall be NULL. |
| 570 | */ |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 571 | static int rnd_std_rand( void *rng_state, unsigned char *output, size_t len ) |
Paul Bakker | 9dcc322 | 2011-03-08 14:16:06 +0000 | [diff] [blame] | 572 | { |
Paul Bakker | f96f7b6 | 2014-04-30 16:02:38 +0200 | [diff] [blame] | 573 | #if !defined(__OpenBSD__) |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 574 | size_t i; |
| 575 | |
Paul Bakker | 9dcc322 | 2011-03-08 14:16:06 +0000 | [diff] [blame] | 576 | if( rng_state != NULL ) |
| 577 | rng_state = NULL; |
| 578 | |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 579 | for( i = 0; i < len; ++i ) |
| 580 | output[i] = rand(); |
Paul Bakker | f96f7b6 | 2014-04-30 16:02:38 +0200 | [diff] [blame] | 581 | #else |
| 582 | if( rng_state != NULL ) |
| 583 | rng_state = NULL; |
| 584 | |
| 585 | arc4random_buf( output, len ); |
| 586 | #endif /* !OpenBSD */ |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 587 | |
| 588 | return( 0 ); |
Paul Bakker | 9dcc322 | 2011-03-08 14:16:06 +0000 | [diff] [blame] | 589 | } |
| 590 | |
| 591 | /** |
| 592 | * This function only returns zeros |
| 593 | * |
| 594 | * rng_state shall be NULL. |
| 595 | */ |
Simon Butcher | ecff219 | 2018-10-03 16:17:41 +0100 | [diff] [blame] | 596 | int rnd_zero_rand( void *rng_state, unsigned char *output, size_t len ) |
Paul Bakker | 9dcc322 | 2011-03-08 14:16:06 +0000 | [diff] [blame] | 597 | { |
| 598 | if( rng_state != NULL ) |
| 599 | rng_state = NULL; |
| 600 | |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 601 | memset( output, 0, len ); |
| 602 | |
Paul Bakker | 9dcc322 | 2011-03-08 14:16:06 +0000 | [diff] [blame] | 603 | return( 0 ); |
| 604 | } |
| 605 | |
| 606 | typedef struct |
| 607 | { |
| 608 | unsigned char *buf; |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 609 | size_t length; |
Paul Bakker | 997bbd1 | 2011-03-13 15:45:42 +0000 | [diff] [blame] | 610 | } rnd_buf_info; |
Paul Bakker | 9dcc322 | 2011-03-08 14:16:06 +0000 | [diff] [blame] | 611 | |
| 612 | /** |
| 613 | * This function returns random based on a buffer it receives. |
| 614 | * |
Paul Bakker | 997bbd1 | 2011-03-13 15:45:42 +0000 | [diff] [blame] | 615 | * rng_state shall be a pointer to a rnd_buf_info structure. |
Manuel Pégourié-Gonnard | e670f90 | 2015-10-30 09:23:19 +0100 | [diff] [blame] | 616 | * |
Paul Bakker | 997bbd1 | 2011-03-13 15:45:42 +0000 | [diff] [blame] | 617 | * The number of bytes released from the buffer on each call to |
| 618 | * the random function is specified by per_call. (Can be between |
| 619 | * 1 and 4) |
Paul Bakker | 9dcc322 | 2011-03-08 14:16:06 +0000 | [diff] [blame] | 620 | * |
| 621 | * After the buffer is empty it will return rand(); |
| 622 | */ |
Simon Butcher | ecff219 | 2018-10-03 16:17:41 +0100 | [diff] [blame] | 623 | int rnd_buffer_rand( void *rng_state, unsigned char *output, size_t len ) |
Paul Bakker | 9dcc322 | 2011-03-08 14:16:06 +0000 | [diff] [blame] | 624 | { |
Paul Bakker | 997bbd1 | 2011-03-13 15:45:42 +0000 | [diff] [blame] | 625 | rnd_buf_info *info = (rnd_buf_info *) rng_state; |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 626 | size_t use_len; |
Paul Bakker | 9dcc322 | 2011-03-08 14:16:06 +0000 | [diff] [blame] | 627 | |
| 628 | if( rng_state == NULL ) |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 629 | return( rnd_std_rand( NULL, output, len ) ); |
Paul Bakker | 9dcc322 | 2011-03-08 14:16:06 +0000 | [diff] [blame] | 630 | |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 631 | use_len = len; |
| 632 | if( len > info->length ) |
| 633 | use_len = info->length; |
Paul Bakker | 997bbd1 | 2011-03-13 15:45:42 +0000 | [diff] [blame] | 634 | |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 635 | if( use_len ) |
Paul Bakker | 9dcc322 | 2011-03-08 14:16:06 +0000 | [diff] [blame] | 636 | { |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 637 | memcpy( output, info->buf, use_len ); |
| 638 | info->buf += use_len; |
| 639 | info->length -= use_len; |
Paul Bakker | 9dcc322 | 2011-03-08 14:16:06 +0000 | [diff] [blame] | 640 | } |
| 641 | |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 642 | if( len - use_len > 0 ) |
| 643 | return( rnd_std_rand( NULL, output + use_len, len - use_len ) ); |
| 644 | |
| 645 | return( 0 ); |
Paul Bakker | 9dcc322 | 2011-03-08 14:16:06 +0000 | [diff] [blame] | 646 | } |
Paul Bakker | 997bbd1 | 2011-03-13 15:45:42 +0000 | [diff] [blame] | 647 | |
| 648 | /** |
| 649 | * Info structure for the pseudo random function |
| 650 | * |
| 651 | * Key should be set at the start to a test-unique value. |
Paul Bakker | b3dcbc1 | 2011-03-13 16:57:25 +0000 | [diff] [blame] | 652 | * Do not forget endianness! |
Paul Bakker | 997bbd1 | 2011-03-13 15:45:42 +0000 | [diff] [blame] | 653 | * State( v0, v1 ) should be set to zero. |
| 654 | */ |
| 655 | typedef struct |
| 656 | { |
Paul Bakker | b3dcbc1 | 2011-03-13 16:57:25 +0000 | [diff] [blame] | 657 | uint32_t key[16]; |
Paul Bakker | 997bbd1 | 2011-03-13 15:45:42 +0000 | [diff] [blame] | 658 | uint32_t v0, v1; |
| 659 | } rnd_pseudo_info; |
| 660 | |
| 661 | /** |
| 662 | * This function returns random based on a pseudo random function. |
| 663 | * This means the results should be identical on all systems. |
| 664 | * Pseudo random is based on the XTEA encryption algorithm to |
| 665 | * generate pseudorandom. |
| 666 | * |
| 667 | * rng_state shall be a pointer to a rnd_pseudo_info structure. |
| 668 | */ |
Simon Butcher | ecff219 | 2018-10-03 16:17:41 +0100 | [diff] [blame] | 669 | int rnd_pseudo_rand( void *rng_state, unsigned char *output, size_t len ) |
Paul Bakker | 997bbd1 | 2011-03-13 15:45:42 +0000 | [diff] [blame] | 670 | { |
| 671 | rnd_pseudo_info *info = (rnd_pseudo_info *) rng_state; |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 672 | uint32_t i, *k, sum, delta=0x9E3779B9; |
Manuel Pégourié-Gonnard | 217a29c | 2014-01-03 11:59:09 +0100 | [diff] [blame] | 673 | unsigned char result[4], *out = output; |
Paul Bakker | 997bbd1 | 2011-03-13 15:45:42 +0000 | [diff] [blame] | 674 | |
| 675 | if( rng_state == NULL ) |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 676 | return( rnd_std_rand( NULL, output, len ) ); |
Paul Bakker | 997bbd1 | 2011-03-13 15:45:42 +0000 | [diff] [blame] | 677 | |
Paul Bakker | b3dcbc1 | 2011-03-13 16:57:25 +0000 | [diff] [blame] | 678 | k = info->key; |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 679 | |
| 680 | while( len > 0 ) |
Paul Bakker | 997bbd1 | 2011-03-13 15:45:42 +0000 | [diff] [blame] | 681 | { |
Paul Bakker | 40dd530 | 2012-05-15 15:02:38 +0000 | [diff] [blame] | 682 | size_t use_len = ( len > 4 ) ? 4 : len; |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 683 | sum = 0; |
| 684 | |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 685 | for( i = 0; i < 32; i++ ) |
| 686 | { |
Rich Evans | 4291445 | 2015-02-02 12:09:25 +0000 | [diff] [blame] | 687 | info->v0 += ( ( ( info->v1 << 4 ) ^ ( info->v1 >> 5 ) ) |
| 688 | + info->v1 ) ^ ( sum + k[sum & 3] ); |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 689 | sum += delta; |
Rich Evans | 4291445 | 2015-02-02 12:09:25 +0000 | [diff] [blame] | 690 | info->v1 += ( ( ( info->v0 << 4 ) ^ ( info->v0 >> 5 ) ) |
| 691 | + info->v0 ) ^ ( sum + k[( sum>>11 ) & 3] ); |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 692 | } |
| 693 | |
Paul Bakker | 5c2364c | 2012-10-01 14:41:15 +0000 | [diff] [blame] | 694 | PUT_UINT32_BE( info->v0, result, 0 ); |
Manuel Pégourié-Gonnard | 217a29c | 2014-01-03 11:59:09 +0100 | [diff] [blame] | 695 | memcpy( out, result, use_len ); |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 696 | len -= use_len; |
Manuel Pégourié-Gonnard | 217a29c | 2014-01-03 11:59:09 +0100 | [diff] [blame] | 697 | out += 4; |
Paul Bakker | 997bbd1 | 2011-03-13 15:45:42 +0000 | [diff] [blame] | 698 | } |
| 699 | |
Paul Bakker | a3d195c | 2011-11-27 21:07:34 +0000 | [diff] [blame] | 700 | return( 0 ); |
Paul Bakker | 997bbd1 | 2011-03-13 15:45:42 +0000 | [diff] [blame] | 701 | } |
SimonB | 0269dad | 2016-02-17 23:34:30 +0000 | [diff] [blame] | 702 | |
Ronald Cron | d239794 | 2020-06-10 11:03:08 +0200 | [diff] [blame] | 703 | int mbedtls_test_hexcmp( uint8_t * a, uint8_t * b, uint32_t a_len, uint32_t b_len ) |
Azim Khan | 3499a9e | 2017-05-30 00:06:49 +0100 | [diff] [blame] | 704 | { |
| 705 | int ret = 0; |
| 706 | uint32_t i = 0; |
| 707 | |
Manuel Pégourié-Gonnard | aae10fa | 2018-12-12 10:24:19 +0100 | [diff] [blame] | 708 | if( a_len != b_len ) |
Mohammad Azim Khan | d2d0112 | 2018-07-18 17:48:37 +0100 | [diff] [blame] | 709 | return( -1 ); |
Azim Khan | 3499a9e | 2017-05-30 00:06:49 +0100 | [diff] [blame] | 710 | |
| 711 | for( i = 0; i < a_len; i++ ) |
| 712 | { |
Manuel Pégourié-Gonnard | aae10fa | 2018-12-12 10:24:19 +0100 | [diff] [blame] | 713 | if( a[i] != b[i] ) |
Azim Khan | 3499a9e | 2017-05-30 00:06:49 +0100 | [diff] [blame] | 714 | { |
| 715 | ret = -1; |
| 716 | break; |
| 717 | } |
| 718 | } |
| 719 | return ret; |
| 720 | } |